package main

import "fmt"

func main(){
	sliTest1()
}

func sliTest1()  {
	a := make([]int,0)
	var b []int64
	//b := make([]int,1)
	fmt.Printf("%v", a)
	if b == nil {
		println("2")
	}
}

func sliTest2(){
	x := [][]int{
		{1,2},
		{20,30,10},
		{100},
	}
	fmt.Println(x[1])
	x[2] = append(x[2],30,55)
	fmt.Println(x[2])
}
